Home / 37,742.80-56,646.60-16,715.20

Finding the Fourth Proportional to 37,742.80, 56,646.60 and 16,715.20

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Solution

The fourth proportional to 37,742.80, 56,646.60 and 16,715.20 is: 25,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,742.80 : 56,646.60 = 16,715.20 : x
  2. Step 2: Convert to fraction form
    37,742.80/56,646.60 = 16,715.20/x
  3. Step 3: Cross multiply
    37,742.80x = 56,646.60 × 16,715.20
  4. Step 4: Simplify right side
    37,742.80x = 946,859,248.32
  5. Step 5: Solve for x
    x = 946,859,248.32/37,742.80
  6. Step 6: Final answer
    x = 25,087.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.