Home / 55,848.57-77,071.03-30,698.07

Finding the Fourth Proportional to 55,848.57, 77,071.03 and 30,698.07

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Solution

The fourth proportional to 55,848.57, 77,071.03 and 30,698.07 is: 42,363.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,848.57 : 77,071.03 = 30,698.07 : x
  2. Step 2: Convert to fraction form
    55,848.57/77,071.03 = 30,698.07/x
  3. Step 3: Cross multiply
    55,848.57x = 77,071.03 × 30,698.07
  4. Step 4: Simplify right side
    55,848.57x = 2,365,931,797.17
  5. Step 5: Solve for x
    x = 2,365,931,797.17/55,848.57
  6. Step 6: Final answer
    x = 42,363.34

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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.