Home / 30,484,261.35-42,068,905.54-17,253,437.45

Finding the Fourth Proportional to 30,484,261.35, 42,068,905.54 and 17,253,437.45

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Solution

The fourth proportional to 30,484,261.35, 42,068,905.54 and 17,253,437.45 is: 23,810,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484,261.35 : 42,068,905.54 = 17,253,437.45 : x
  2. Step 2: Convert to fraction form
    30,484,261.35/42,068,905.54 = 17,253,437.45/x
  3. Step 3: Cross multiply
    30,484,261.35x = 42,068,905.54 × 17,253,437.45
  4. Step 4: Simplify right side
    30,484,261.35x = 725,833,230,070,870.38
  5. Step 5: Solve for x
    x = 725,833,230,070,870.38/30,484,261.35
  6. Step 6: Final answer
    x = 23,810,097.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.