Home / 48,756.40-67,280.34-28,614.10

Finding the Fourth Proportional to 48,756.40, 67,280.34 and 28,614.10

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Solution

The fourth proportional to 48,756.40, 67,280.34 and 28,614.10 is: 39,485.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,756.40 : 67,280.34 = 28,614.10 : x
  2. Step 2: Convert to fraction form
    48,756.40/67,280.34 = 28,614.10/x
  3. Step 3: Cross multiply
    48,756.40x = 67,280.34 × 28,614.10
  4. Step 4: Simplify right side
    48,756.40x = 1,925,166,376.79
  5. Step 5: Solve for x
    x = 1,925,166,376.79/48,756.40
  6. Step 6: Final answer
    x = 39,485.41

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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.