Home / 52,810.85-72,878.55-28,937.46

Finding the Fourth Proportional to 52,810.85, 72,878.55 and 28,937.46

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Solution

The fourth proportional to 52,810.85, 72,878.55 and 28,937.46 is: 39,933.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,810.85 : 72,878.55 = 28,937.46 : x
  2. Step 2: Convert to fraction form
    52,810.85/72,878.55 = 28,937.46/x
  3. Step 3: Cross multiply
    52,810.85x = 72,878.55 × 28,937.46
  4. Step 4: Simplify right side
    52,810.85x = 2,108,920,125.48
  5. Step 5: Solve for x
    x = 2,108,920,125.48/52,810.85
  6. Step 6: Final answer
    x = 39,933.47

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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.