Home / 31,541.54-47,312.48-9,355.10

Finding the Fourth Proportional to 31,541.54, 47,312.48 and 9,355.10

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Solution

The fourth proportional to 31,541.54, 47,312.48 and 9,355.10 is: 14,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.54 : 47,312.48 = 9,355.10 : x
  2. Step 2: Convert to fraction form
    31,541.54/47,312.48 = 9,355.10/x
  3. Step 3: Cross multiply
    31,541.54x = 47,312.48 × 9,355.10
  4. Step 4: Simplify right side
    31,541.54x = 442,612,768.47
  5. Step 5: Solve for x
    x = 442,612,768.47/31,541.54
  6. Step 6: Final answer
    x = 14,032.70

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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.