Home / 42,386.79-58,346.88-36,641.51

Finding the Fourth Proportional to 42,386.79, 58,346.88 and 36,641.51

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Solution

The fourth proportional to 42,386.79, 58,346.88 and 36,641.51 is: 50,438.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,386.79 : 58,346.88 = 36,641.51 : x
  2. Step 2: Convert to fraction form
    42,386.79/58,346.88 = 36,641.51/x
  3. Step 3: Cross multiply
    42,386.79x = 58,346.88 × 36,641.51
  4. Step 4: Simplify right side
    42,386.79x = 2,137,918,110.96
  5. Step 5: Solve for x
    x = 2,137,918,110.96/42,386.79
  6. Step 6: Final answer
    x = 50,438.31

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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.