Home / 64,587.48-89,099.10-39,393.24

Finding the Fourth Proportional to 64,587.48, 89,099.10 and 39,393.24

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Solution

The fourth proportional to 64,587.48, 89,099.10 and 39,393.24 is: 54,343.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,587.48 : 89,099.10 = 39,393.24 : x
  2. Step 2: Convert to fraction form
    64,587.48/89,099.10 = 39,393.24/x
  3. Step 3: Cross multiply
    64,587.48x = 89,099.10 × 39,393.24
  4. Step 4: Simplify right side
    64,587.48x = 3,509,902,230.08
  5. Step 5: Solve for x
    x = 3,509,902,230.08/64,587.48
  6. Step 6: Final answer
    x = 54,343.38

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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.