Home / 39,322.50-54,264.76-21,417.45

Finding the Fourth Proportional to 39,322.50, 54,264.76 and 21,417.45

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Solution

The fourth proportional to 39,322.50, 54,264.76 and 21,417.45 is: 29,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,322.50 : 54,264.76 = 21,417.45 : x
  2. Step 2: Convert to fraction form
    39,322.50/54,264.76 = 21,417.45/x
  3. Step 3: Cross multiply
    39,322.50x = 54,264.76 × 21,417.45
  4. Step 4: Simplify right side
    39,322.50x = 1,162,212,784.06
  5. Step 5: Solve for x
    x = 1,162,212,784.06/39,322.50
  6. Step 6: Final answer
    x = 29,555.92

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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.