Home / 31,402.04-47,111.56-10,346.08

Finding the Fourth Proportional to 31,402.04, 47,111.56 and 10,346.08

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Solution

The fourth proportional to 31,402.04, 47,111.56 and 10,346.08 is: 15,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.04 : 47,111.56 = 10,346.08 : x
  2. Step 2: Convert to fraction form
    31,402.04/47,111.56 = 10,346.08/x
  3. Step 3: Cross multiply
    31,402.04x = 47,111.56 × 10,346.08
  4. Step 4: Simplify right side
    31,402.04x = 487,419,968.68
  5. Step 5: Solve for x
    x = 487,419,968.68/31,402.04
  6. Step 6: Final answer
    x = 15,521.92

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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.