Home / 52,290.12-72,160.28-28,416.74

Finding the Fourth Proportional to 52,290.12, 72,160.28 and 28,416.74

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Solution

The fourth proportional to 52,290.12, 72,160.28 and 28,416.74 is: 39,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.12 : 72,160.28 = 28,416.74 : x
  2. Step 2: Convert to fraction form
    52,290.12/72,160.28 = 28,416.74/x
  3. Step 3: Cross multiply
    52,290.12x = 72,160.28 × 28,416.74
  4. Step 4: Simplify right side
    52,290.12x = 2,050,559,915.09
  5. Step 5: Solve for x
    x = 2,050,559,915.09/52,290.12
  6. Step 6: Final answer
    x = 39,215.05

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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.