Home / 52,478.73-72,421.02-28,605.33

Finding the Fourth Proportional to 52,478.73, 72,421.02 and 28,605.33

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Solution

The fourth proportional to 52,478.73, 72,421.02 and 28,605.33 is: 39,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,478.73 : 72,421.02 = 28,605.33 : x
  2. Step 2: Convert to fraction form
    52,478.73/72,421.02 = 28,605.33/x
  3. Step 3: Cross multiply
    52,478.73x = 72,421.02 × 28,605.33
  4. Step 4: Simplify right side
    52,478.73x = 2,071,627,176.04
  5. Step 5: Solve for x
    x = 2,071,627,176.04/52,478.73
  6. Step 6: Final answer
    x = 39,475.56

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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.