Home / 64,355.34-88,780.35-40,495.17

Finding the Fourth Proportional to 64,355.34, 88,780.35 and 40,495.17

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Solution

The fourth proportional to 64,355.34, 88,780.35 and 40,495.17 is: 55,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,355.34 : 88,780.35 = 40,495.17 : x
  2. Step 2: Convert to fraction form
    64,355.34/88,780.35 = 40,495.17/x
  3. Step 3: Cross multiply
    64,355.34x = 88,780.35 × 40,495.17
  4. Step 4: Simplify right side
    64,355.34x = 3,595,175,365.91
  5. Step 5: Solve for x
    x = 3,595,175,365.91/64,355.34
  6. Step 6: Final answer
    x = 55,864.45

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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.