Home / 52,320.81-72,202.35-28,447.50

Finding the Fourth Proportional to 52,320.81, 72,202.35 and 28,447.50

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Solution

The fourth proportional to 52,320.81, 72,202.35 and 28,447.50 is: 39,257.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,320.81 : 72,202.35 = 28,447.50 : x
  2. Step 2: Convert to fraction form
    52,320.81/72,202.35 = 28,447.50/x
  3. Step 3: Cross multiply
    52,320.81x = 72,202.35 × 28,447.50
  4. Step 4: Simplify right side
    52,320.81x = 2,053,976,209.39
  5. Step 5: Solve for x
    x = 2,053,976,209.39/52,320.81
  6. Step 6: Final answer
    x = 39,257.35

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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.