Home / 42,743.48-64,108.74-15,035

Finding the Fourth Proportional to 42,743.48, 64,108.74 and 15,035

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Solution

The fourth proportional to 42,743.48, 64,108.74 and 15,035 is: 22,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,743.48 : 64,108.74 = 15,035 : x
  2. Step 2: Convert to fraction form
    42,743.48/64,108.74 = 15,035/x
  3. Step 3: Cross multiply
    42,743.48x = 64,108.74 × 15,035
  4. Step 4: Simplify right side
    42,743.48x = 963,874,905.90
  5. Step 5: Solve for x
    x = 963,874,905.90/42,743.48
  6. Step 6: Final answer
    x = 22,550.22

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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.