Home / 38,784.81-58,127.99-20,061.35

Finding the Fourth Proportional to 38,784.81, 58,127.99 and 20,061.35

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Solution

The fourth proportional to 38,784.81, 58,127.99 and 20,061.35 is: 30,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784.81 : 58,127.99 = 20,061.35 : x
  2. Step 2: Convert to fraction form
    38,784.81/58,127.99 = 20,061.35/x
  3. Step 3: Cross multiply
    38,784.81x = 58,127.99 × 20,061.35
  4. Step 4: Simplify right side
    38,784.81x = 1,166,125,561.24
  5. Step 5: Solve for x
    x = 1,166,125,561.24/38,784.81
  6. Step 6: Final answer
    x = 30,066.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.