Home / 58,438.30-87,657.45-28,860.70

Finding the Fourth Proportional to 58,438.30, 87,657.45 and 28,860.70

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Solution

The fourth proportional to 58,438.30, 87,657.45 and 28,860.70 is: 43,291.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,438.30 : 87,657.45 = 28,860.70 : x
  2. Step 2: Convert to fraction form
    58,438.30/87,657.45 = 28,860.70/x
  3. Step 3: Cross multiply
    58,438.30x = 87,657.45 × 28,860.70
  4. Step 4: Simplify right side
    58,438.30x = 2,529,855,367.22
  5. Step 5: Solve for x
    x = 2,529,855,367.22/58,438.30
  6. Step 6: Final answer
    x = 43,291.05

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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.