Home / 60,928.08-91,401.72-19,384.40

Finding the Fourth Proportional to 60,928.08, 91,401.72 and 19,384.40

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Solution

The fourth proportional to 60,928.08, 91,401.72 and 19,384.40 is: 29,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,928.08 : 91,401.72 = 19,384.40 : x
  2. Step 2: Convert to fraction form
    60,928.08/91,401.72 = 19,384.40/x
  3. Step 3: Cross multiply
    60,928.08x = 91,401.72 × 19,384.40
  4. Step 4: Simplify right side
    60,928.08x = 1,771,767,501.17
  5. Step 5: Solve for x
    x = 1,771,767,501.17/60,928.08
  6. Step 6: Final answer
    x = 29,079.65

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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.