Home / 31,501.13-47,260.92-9,315.08

Finding the Fourth Proportional to 31,501.13, 47,260.92 and 9,315.08

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Solution

The fourth proportional to 31,501.13, 47,260.92 and 9,315.08 is: 13,975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501.13 : 47,260.92 = 9,315.08 : x
  2. Step 2: Convert to fraction form
    31,501.13/47,260.92 = 9,315.08/x
  3. Step 3: Cross multiply
    31,501.13x = 47,260.92 × 9,315.08
  4. Step 4: Simplify right side
    31,501.13x = 440,238,967.79
  5. Step 5: Solve for x
    x = 440,238,967.79/31,501.13
  6. Step 6: Final answer
    x = 13,975.34

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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.