Home / 61,171.20-84,419.28-34,312.32

Finding the Fourth Proportional to 61,171.20, 84,419.28 and 34,312.32

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Solution

The fourth proportional to 61,171.20, 84,419.28 and 34,312.32 is: 47,352.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,171.20 : 84,419.28 = 34,312.32 : x
  2. Step 2: Convert to fraction form
    61,171.20/84,419.28 = 34,312.32/x
  3. Step 3: Cross multiply
    61,171.20x = 84,419.28 × 34,312.32
  4. Step 4: Simplify right side
    61,171.20x = 2,896,621,349.53
  5. Step 5: Solve for x
    x = 2,896,621,349.53/61,171.20
  6. Step 6: Final answer
    x = 47,352.70

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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.