Home / 74,734.17-112,107.69-21,426.36

Finding the Fourth Proportional to 74,734.17, 112,107.69 and 21,426.36

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Solution

The fourth proportional to 74,734.17, 112,107.69 and 21,426.36 is: 32,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734.17 : 112,107.69 = 21,426.36 : x
  2. Step 2: Convert to fraction form
    74,734.17/112,107.69 = 21,426.36/x
  3. Step 3: Cross multiply
    74,734.17x = 112,107.69 × 21,426.36
  4. Step 4: Simplify right side
    74,734.17x = 2,402,059,724.71
  5. Step 5: Solve for x
    x = 2,402,059,724.71/74,734.17
  6. Step 6: Final answer
    x = 32,141.38

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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.