Home / 40,208.32-60,312.48-13,898.71

Finding the Fourth Proportional to 40,208.32, 60,312.48 and 13,898.71

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Solution

The fourth proportional to 40,208.32, 60,312.48 and 13,898.71 is: 20,848.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,208.32 : 60,312.48 = 13,898.71 : x
  2. Step 2: Convert to fraction form
    40,208.32/60,312.48 = 13,898.71/x
  3. Step 3: Cross multiply
    40,208.32x = 60,312.48 × 13,898.71
  4. Step 4: Simplify right side
    40,208.32x = 838,265,668.90
  5. Step 5: Solve for x
    x = 838,265,668.90/40,208.32
  6. Step 6: Final answer
    x = 20,848.07

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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.