Home / 31,526.40-43,519.68-18,952.32

Finding the Fourth Proportional to 31,526.40, 43,519.68 and 18,952.32

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Solution

The fourth proportional to 31,526.40, 43,519.68 and 18,952.32 is: 26,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,526.40 : 43,519.68 = 18,952.32 : x
  2. Step 2: Convert to fraction form
    31,526.40/43,519.68 = 18,952.32/x
  3. Step 3: Cross multiply
    31,526.40x = 43,519.68 × 18,952.32
  4. Step 4: Simplify right side
    31,526.40x = 824,798,901.66
  5. Step 5: Solve for x
    x = 824,798,901.66/31,526.40
  6. Step 6: Final answer
    x = 26,162.17

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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.