Home / 31,527.03-47,301.81-13,507.68

Finding the Fourth Proportional to 31,527.03, 47,301.81 and 13,507.68

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Solution

The fourth proportional to 31,527.03, 47,301.81 and 13,507.68 is: 20,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,527.03 : 47,301.81 = 13,507.68 : x
  2. Step 2: Convert to fraction form
    31,527.03/47,301.81 = 13,507.68/x
  3. Step 3: Cross multiply
    31,527.03x = 47,301.81 × 13,507.68
  4. Step 4: Simplify right side
    31,527.03x = 638,937,712.90
  5. Step 5: Solve for x
    x = 638,937,712.90/31,527.03
  6. Step 6: Final answer
    x = 20,266.35

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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.