Home / 58,377.81-87,579.02-18,931.85

Finding the Fourth Proportional to 58,377.81, 87,579.02 and 18,931.85

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Solution

The fourth proportional to 58,377.81, 87,579.02 and 18,931.85 is: 28,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,377.81 : 87,579.02 = 18,931.85 : x
  2. Step 2: Convert to fraction form
    58,377.81/87,579.02 = 18,931.85/x
  3. Step 3: Cross multiply
    58,377.81x = 87,579.02 × 18,931.85
  4. Step 4: Simplify right side
    58,377.81x = 1,658,033,053.96
  5. Step 5: Solve for x
    x = 1,658,033,053.96/58,377.81
  6. Step 6: Final answer
    x = 28,401.77

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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.