Home / 43,718.32-60,397.08-28,646.80

Finding the Fourth Proportional to 43,718.32, 60,397.08 and 28,646.80

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Solution

The fourth proportional to 43,718.32, 60,397.08 and 28,646.80 is: 39,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,718.32 : 60,397.08 = 28,646.80 : x
  2. Step 2: Convert to fraction form
    43,718.32/60,397.08 = 28,646.80/x
  3. Step 3: Cross multiply
    43,718.32x = 60,397.08 × 28,646.80
  4. Step 4: Simplify right side
    43,718.32x = 1,730,183,071.34
  5. Step 5: Solve for x
    x = 1,730,183,071.34/43,718.32
  6. Step 6: Final answer
    x = 39,575.70

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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.