Home / 40,691.03-61,036.55-16,985.64

Finding the Fourth Proportional to 40,691.03, 61,036.55 and 16,985.64

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Solution

The fourth proportional to 40,691.03, 61,036.55 and 16,985.64 is: 25,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,691.03 : 61,036.55 = 16,985.64 : x
  2. Step 2: Convert to fraction form
    40,691.03/61,036.55 = 16,985.64/x
  3. Step 3: Cross multiply
    40,691.03x = 61,036.55 × 16,985.64
  4. Step 4: Simplify right side
    40,691.03x = 1,036,745,053.77
  5. Step 5: Solve for x
    x = 1,036,745,053.77/40,691.03
  6. Step 6: Final answer
    x = 25,478.46

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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.