Home / 52,420.78-72,341.97-28,548.75

Finding the Fourth Proportional to 52,420.78, 72,341.97 and 28,548.75

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Solution

The fourth proportional to 52,420.78, 72,341.97 and 28,548.75 is: 39,397.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420.78 : 72,341.97 = 28,548.75 : x
  2. Step 2: Convert to fraction form
    52,420.78/72,341.97 = 28,548.75/x
  3. Step 3: Cross multiply
    52,420.78x = 72,341.97 × 28,548.75
  4. Step 4: Simplify right side
    52,420.78x = 2,065,272,816.04
  5. Step 5: Solve for x
    x = 2,065,272,816.04/52,420.78
  6. Step 6: Final answer
    x = 39,397.98

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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.