Home / 64,890.16-89,551.81-38,041.29

Finding the Fourth Proportional to 64,890.16, 89,551.81 and 38,041.29

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Solution

The fourth proportional to 64,890.16, 89,551.81 and 38,041.29 is: 52,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.16 : 89,551.81 = 38,041.29 : x
  2. Step 2: Convert to fraction form
    64,890.16/89,551.81 = 38,041.29/x
  3. Step 3: Cross multiply
    64,890.16x = 89,551.81 × 38,041.29
  4. Step 4: Simplify right side
    64,890.16x = 3,406,666,374.23
  5. Step 5: Solve for x
    x = 3,406,666,374.23/64,890.16
  6. Step 6: Final answer
    x = 52,498.97

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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.