Home / 31,373.48-47,056.77-9,187.07

Finding the Fourth Proportional to 31,373.48, 47,056.77 and 9,187.07

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Solution

The fourth proportional to 31,373.48, 47,056.77 and 9,187.07 is: 13,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.48 : 47,056.77 = 9,187.07 : x
  2. Step 2: Convert to fraction form
    31,373.48/47,056.77 = 9,187.07/x
  3. Step 3: Cross multiply
    31,373.48x = 47,056.77 × 9,187.07
  4. Step 4: Simplify right side
    31,373.48x = 432,313,957.61
  5. Step 5: Solve for x
    x = 432,313,957.61/31,373.48
  6. Step 6: Final answer
    x = 13,779.60

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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.