Home / 48,547.23-72,849.15-20,465.57

Finding the Fourth Proportional to 48,547.23, 72,849.15 and 20,465.57

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Solution

The fourth proportional to 48,547.23, 72,849.15 and 20,465.57 is: 30,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,547.23 : 72,849.15 = 20,465.57 : x
  2. Step 2: Convert to fraction form
    48,547.23/72,849.15 = 20,465.57/x
  3. Step 3: Cross multiply
    48,547.23x = 72,849.15 × 20,465.57
  4. Step 4: Simplify right side
    48,547.23x = 1,490,899,014.52
  5. Step 5: Solve for x
    x = 1,490,899,014.52/48,547.23
  6. Step 6: Final answer
    x = 30,710.28

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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.