Home / 31,931.74-44,065.81-18,510.81

Finding the Fourth Proportional to 31,931.74, 44,065.81 and 18,510.81

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Solution

The fourth proportional to 31,931.74, 44,065.81 and 18,510.81 is: 25,544.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931.74 : 44,065.81 = 18,510.81 : x
  2. Step 2: Convert to fraction form
    31,931.74/44,065.81 = 18,510.81/x
  3. Step 3: Cross multiply
    31,931.74x = 44,065.81 × 18,510.81
  4. Step 4: Simplify right side
    31,931.74x = 815,693,694.30
  5. Step 5: Solve for x
    x = 815,693,694.30/31,931.74
  6. Step 6: Final answer
    x = 25,544.92

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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.