Home / 52,545.08-72,512.88-28,672.40

Finding the Fourth Proportional to 52,545.08, 72,512.88 and 28,672.40

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Solution

The fourth proportional to 52,545.08, 72,512.88 and 28,672.40 is: 39,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,545.08 : 72,512.88 = 28,672.40 : x
  2. Step 2: Convert to fraction form
    52,545.08/72,512.88 = 28,672.40/x
  3. Step 3: Cross multiply
    52,545.08x = 72,512.88 × 28,672.40
  4. Step 4: Simplify right side
    52,545.08x = 2,079,118,300.51
  5. Step 5: Solve for x
    x = 2,079,118,300.51/52,545.08
  6. Step 6: Final answer
    x = 39,568.28

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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.