Home / 58,186.81-87,280.28-18,749.80

Finding the Fourth Proportional to 58,186.81, 87,280.28 and 18,749.80

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Solution

The fourth proportional to 58,186.81, 87,280.28 and 18,749.80 is: 28,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,186.81 : 87,280.28 = 18,749.80 : x
  2. Step 2: Convert to fraction form
    58,186.81/87,280.28 = 18,749.80/x
  3. Step 3: Cross multiply
    58,186.81x = 87,280.28 × 18,749.80
  4. Step 4: Simplify right side
    58,186.81x = 1,636,487,263.79
  5. Step 5: Solve for x
    x = 1,636,487,263.79/58,186.81
  6. Step 6: Final answer
    x = 28,124.71

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1.5x scale

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.