Home / 52,386.24-72,290.80-28,512.96

Finding the Fourth Proportional to 52,386.24, 72,290.80 and 28,512.96

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Solution

The fourth proportional to 52,386.24, 72,290.80 and 28,512.96 is: 39,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,386.24 : 72,290.80 = 28,512.96 : x
  2. Step 2: Convert to fraction form
    52,386.24/72,290.80 = 28,512.96/x
  3. Step 3: Cross multiply
    52,386.24x = 72,290.80 × 28,512.96
  4. Step 4: Simplify right side
    52,386.24x = 2,061,224,688.77
  5. Step 5: Solve for x
    x = 2,061,224,688.77/52,386.24
  6. Step 6: Final answer
    x = 39,346.68

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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.