Home / 40,663.08-61,000.29-12,585.51

Finding the Fourth Proportional to 40,663.08, 61,000.29 and 12,585.51

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Solution

The fourth proportional to 40,663.08, 61,000.29 and 12,585.51 is: 18,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,663.08 : 61,000.29 = 12,585.51 : x
  2. Step 2: Convert to fraction form
    40,663.08/61,000.29 = 12,585.51/x
  3. Step 3: Cross multiply
    40,663.08x = 61,000.29 × 12,585.51
  4. Step 4: Simplify right side
    40,663.08x = 767,719,759.80
  5. Step 5: Solve for x
    x = 767,719,759.80/40,663.08
  6. Step 6: Final answer
    x = 18,880.02

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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.