Home / 65,715.60-98,573.40-40,832.40

Finding the Fourth Proportional to 65,715.60, 98,573.40 and 40,832.40

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Solution

The fourth proportional to 65,715.60, 98,573.40 and 40,832.40 is: 61,248.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,715.60 : 98,573.40 = 40,832.40 : x
  2. Step 2: Convert to fraction form
    65,715.60/98,573.40 = 40,832.40/x
  3. Step 3: Cross multiply
    65,715.60x = 98,573.40 × 40,832.40
  4. Step 4: Simplify right side
    65,715.60x = 4,024,988,498.16
  5. Step 5: Solve for x
    x = 4,024,988,498.16/65,715.60
  6. Step 6: Final answer
    x = 61,248.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.