Home / 47,718.40-71,587.20-16,547.20

Finding the Fourth Proportional to 47,718.40, 71,587.20 and 16,547.20

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Solution

The fourth proportional to 47,718.40, 71,587.20 and 16,547.20 is: 24,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,718.40 : 71,587.20 = 16,547.20 : x
  2. Step 2: Convert to fraction form
    47,718.40/71,587.20 = 16,547.20/x
  3. Step 3: Cross multiply
    47,718.40x = 71,587.20 × 16,547.20
  4. Step 4: Simplify right side
    47,718.40x = 1,184,567,715.84
  5. Step 5: Solve for x
    x = 1,184,567,715.84/47,718.40
  6. Step 6: Final answer
    x = 24,824.13

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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.