Home / 52,345.07-72,236.39-28,471.76

Finding the Fourth Proportional to 52,345.07, 72,236.39 and 28,471.76

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Solution

The fourth proportional to 52,345.07, 72,236.39 and 28,471.76 is: 39,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,345.07 : 72,236.39 = 28,471.76 : x
  2. Step 2: Convert to fraction form
    52,345.07/72,236.39 = 28,471.76/x
  3. Step 3: Cross multiply
    52,345.07x = 72,236.39 × 28,471.76
  4. Step 4: Simplify right side
    52,345.07x = 2,056,696,655.81
  5. Step 5: Solve for x
    x = 2,056,696,655.81/52,345.07
  6. Step 6: Final answer
    x = 39,291.13

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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.