Home / 52,841.16-72,920.34-28,967.40

Finding the Fourth Proportional to 52,841.16, 72,920.34 and 28,967.40

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Solution

The fourth proportional to 52,841.16, 72,920.34 and 28,967.40 is: 39,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,841.16 : 72,920.34 = 28,967.40 : x
  2. Step 2: Convert to fraction form
    52,841.16/72,920.34 = 28,967.40/x
  3. Step 3: Cross multiply
    52,841.16x = 72,920.34 × 28,967.40
  4. Step 4: Simplify right side
    52,841.16x = 2,112,312,656.92
  5. Step 5: Solve for x
    x = 2,112,312,656.92/52,841.16
  6. Step 6: Final answer
    x = 39,974.76

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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.