Home / 31,534.95-43,516.67-17,921.22

Finding the Fourth Proportional to 31,534.95, 43,516.67 and 17,921.22

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Solution

The fourth proportional to 31,534.95, 43,516.67 and 17,921.22 is: 24,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.95 : 43,516.67 = 17,921.22 : x
  2. Step 2: Convert to fraction form
    31,534.95/43,516.67 = 17,921.22/x
  3. Step 3: Cross multiply
    31,534.95x = 43,516.67 × 17,921.22
  4. Step 4: Simplify right side
    31,534.95x = 779,871,816.74
  5. Step 5: Solve for x
    x = 779,871,816.74/31,534.95
  6. Step 6: Final answer
    x = 24,730.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.