Home / 30,746.59-42,430.64-17,996.99

Finding the Fourth Proportional to 30,746.59, 42,430.64 and 17,996.99

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Solution

The fourth proportional to 30,746.59, 42,430.64 and 17,996.99 is: 24,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,746.59 : 42,430.64 = 17,996.99 : x
  2. Step 2: Convert to fraction form
    30,746.59/42,430.64 = 17,996.99/x
  3. Step 3: Cross multiply
    30,746.59x = 42,430.64 × 17,996.99
  4. Step 4: Simplify right side
    30,746.59x = 763,623,501.64
  5. Step 5: Solve for x
    x = 763,623,501.64/30,746.59
  6. Step 6: Final answer
    x = 24,836.04

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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.