Home / 65,578.23-90,513.06-38,366.93

Finding the Fourth Proportional to 65,578.23, 90,513.06 and 38,366.93

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Solution

The fourth proportional to 65,578.23, 90,513.06 and 38,366.93 is: 52,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,578.23 : 90,513.06 = 38,366.93 : x
  2. Step 2: Convert to fraction form
    65,578.23/90,513.06 = 38,366.93/x
  3. Step 3: Cross multiply
    65,578.23x = 90,513.06 × 38,366.93
  4. Step 4: Simplify right side
    65,578.23x = 3,472,708,237.11
  5. Step 5: Solve for x
    x = 3,472,708,237.11/65,578.23
  6. Step 6: Final answer
    x = 52,955.20

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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.