Home / 45,291.71-67,632.56-36,988.20

Finding the Fourth Proportional to 45,291.71, 67,632.56 and 36,988.20

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Solution

The fourth proportional to 45,291.71, 67,632.56 and 36,988.20 is: 55,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,291.71 : 67,632.56 = 36,988.20 : x
  2. Step 2: Convert to fraction form
    45,291.71/67,632.56 = 36,988.20/x
  3. Step 3: Cross multiply
    45,291.71x = 67,632.56 × 36,988.20
  4. Step 4: Simplify right side
    45,291.71x = 2,501,606,655.79
  5. Step 5: Solve for x
    x = 2,501,606,655.79/45,291.71
  6. Step 6: Final answer
    x = 55,233.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.