Home / 48,329.04-66,731.40-31,345.17

Finding the Fourth Proportional to 48,329.04, 66,731.40 and 31,345.17

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Solution

The fourth proportional to 48,329.04, 66,731.40 and 31,345.17 is: 43,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,329.04 : 66,731.40 = 31,345.17 : x
  2. Step 2: Convert to fraction form
    48,329.04/66,731.40 = 31,345.17/x
  3. Step 3: Cross multiply
    48,329.04x = 66,731.40 × 31,345.17
  4. Step 4: Simplify right side
    48,329.04x = 2,091,707,077.34
  5. Step 5: Solve for x
    x = 2,091,707,077.34/48,329.04
  6. Step 6: Final answer
    x = 43,280.54

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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.