Home / 61,613.02-92,430.90-19,503.70

Finding the Fourth Proportional to 61,613.02, 92,430.90 and 19,503.70

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Solution

The fourth proportional to 61,613.02, 92,430.90 and 19,503.70 is: 29,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,613.02 : 92,430.90 = 19,503.70 : x
  2. Step 2: Convert to fraction form
    61,613.02/92,430.90 = 19,503.70/x
  3. Step 3: Cross multiply
    61,613.02x = 92,430.90 × 19,503.70
  4. Step 4: Simplify right side
    61,613.02x = 1,802,744,544.33
  5. Step 5: Solve for x
    x = 1,802,744,544.33/61,613.02
  6. Step 6: Final answer
    x = 29,259.15

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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.