Home / 35,521.47-53,268.25-13,322.74

Finding the Fourth Proportional to 35,521.47, 53,268.25 and 13,322.74

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Solution

The fourth proportional to 35,521.47, 53,268.25 and 13,322.74 is: 19,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,521.47 : 53,268.25 = 13,322.74 : x
  2. Step 2: Convert to fraction form
    35,521.47/53,268.25 = 13,322.74/x
  3. Step 3: Cross multiply
    35,521.47x = 53,268.25 × 13,322.74
  4. Step 4: Simplify right side
    35,521.47x = 709,679,045.01
  5. Step 5: Solve for x
    x = 709,679,045.01/35,521.47
  6. Step 6: Final answer
    x = 19,978.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.