Home / 45,551.48-68,424.34-42,888.20

Finding the Fourth Proportional to 45,551.48, 68,424.34 and 42,888.20

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Solution

The fourth proportional to 45,551.48, 68,424.34 and 42,888.20 is: 64,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,551.48 : 68,424.34 = 42,888.20 : x
  2. Step 2: Convert to fraction form
    45,551.48/68,424.34 = 42,888.20/x
  3. Step 3: Cross multiply
    45,551.48x = 68,424.34 × 42,888.20
  4. Step 4: Simplify right side
    45,551.48x = 2,934,596,778.79
  5. Step 5: Solve for x
    x = 2,934,596,778.79/45,551.48
  6. Step 6: Final answer
    x = 64,423.74

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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.