Home / 42,686.90-64,026.51-14,983.22

Finding the Fourth Proportional to 42,686.90, 64,026.51 and 14,983.22

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Solution

The fourth proportional to 42,686.90, 64,026.51 and 14,983.22 is: 22,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,686.90 : 64,026.51 = 14,983.22 : x
  2. Step 2: Convert to fraction form
    42,686.90/64,026.51 = 14,983.22/x
  3. Step 3: Cross multiply
    42,686.90x = 64,026.51 × 14,983.22
  4. Step 4: Simplify right side
    42,686.90x = 959,323,285.16
  5. Step 5: Solve for x
    x = 959,323,285.16/42,686.90
  6. Step 6: Final answer
    x = 22,473.48

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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.