Home / 39,587.34-54,598.68-30,658.98

Finding the Fourth Proportional to 39,587.34, 54,598.68 and 30,658.98

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Solution

The fourth proportional to 39,587.34, 54,598.68 and 30,658.98 is: 42,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,587.34 : 54,598.68 = 30,658.98 : x
  2. Step 2: Convert to fraction form
    39,587.34/54,598.68 = 30,658.98/x
  3. Step 3: Cross multiply
    39,587.34x = 54,598.68 × 30,658.98
  4. Step 4: Simplify right side
    39,587.34x = 1,673,939,838.15
  5. Step 5: Solve for x
    x = 1,673,939,838.15/39,587.34
  6. Step 6: Final answer
    x = 42,284.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.