Home / 48,627.12-72,948.47-20,547.45

Finding the Fourth Proportional to 48,627.12, 72,948.47 and 20,547.45

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Solution

The fourth proportional to 48,627.12, 72,948.47 and 20,547.45 is: 30,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,627.12 : 72,948.47 = 20,547.45 : x
  2. Step 2: Convert to fraction form
    48,627.12/72,948.47 = 20,547.45/x
  3. Step 3: Cross multiply
    48,627.12x = 72,948.47 × 20,547.45
  4. Step 4: Simplify right side
    48,627.12x = 1,498,904,937.16
  5. Step 5: Solve for x
    x = 1,498,904,937.16/48,627.12
  6. Step 6: Final answer
    x = 30,824.46

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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.