Home / 52,178.40-72,006.48-28,305.12

Finding the Fourth Proportional to 52,178.40, 72,006.48 and 28,305.12

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Solution

The fourth proportional to 52,178.40, 72,006.48 and 28,305.12 is: 39,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178.40 : 72,006.48 = 28,305.12 : x
  2. Step 2: Convert to fraction form
    52,178.40/72,006.48 = 28,305.12/x
  3. Step 3: Cross multiply
    52,178.40x = 72,006.48 × 28,305.12
  4. Step 4: Simplify right side
    52,178.40x = 2,038,152,057.18
  5. Step 5: Solve for x
    x = 2,038,152,057.18/52,178.40
  6. Step 6: Final answer
    x = 39,061.22

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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.