Home / 37,041.81-51,117.18-21,126.52

Finding the Fourth Proportional to 37,041.81, 51,117.18 and 21,126.52

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Solution

The fourth proportional to 37,041.81, 51,117.18 and 21,126.52 is: 29,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,041.81 : 51,117.18 = 21,126.52 : x
  2. Step 2: Convert to fraction form
    37,041.81/51,117.18 = 21,126.52/x
  3. Step 3: Cross multiply
    37,041.81x = 51,117.18 × 21,126.52
  4. Step 4: Simplify right side
    37,041.81x = 1,079,928,110.29
  5. Step 5: Solve for x
    x = 1,079,928,110.29/37,041.81
  6. Step 6: Final answer
    x = 29,154.30

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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.