Home / 42,722.15-64,076.33-14,641.07

Finding the Fourth Proportional to 42,722.15, 64,076.33 and 14,641.07

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Solution

The fourth proportional to 42,722.15, 64,076.33 and 14,641.07 is: 21,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,722.15 : 64,076.33 = 14,641.07 : x
  2. Step 2: Convert to fraction form
    42,722.15/64,076.33 = 14,641.07/x
  3. Step 3: Cross multiply
    42,722.15x = 64,076.33 × 14,641.07
  4. Step 4: Simplify right side
    42,722.15x = 938,145,639.29
  5. Step 5: Solve for x
    x = 938,145,639.29/42,722.15
  6. Step 6: Final answer
    x = 21,959.24

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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.