Home / 64,975.48-89,666.92-38,118.45

Finding the Fourth Proportional to 64,975.48, 89,666.92 and 38,118.45

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Solution

The fourth proportional to 64,975.48, 89,666.92 and 38,118.45 is: 52,603.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,975.48 : 89,666.92 = 38,118.45 : x
  2. Step 2: Convert to fraction form
    64,975.48/89,666.92 = 38,118.45/x
  3. Step 3: Cross multiply
    64,975.48x = 89,666.92 × 38,118.45
  4. Step 4: Simplify right side
    64,975.48x = 3,417,964,006.67
  5. Step 5: Solve for x
    x = 3,417,964,006.67/64,975.48
  6. Step 6: Final answer
    x = 52,603.91

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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.