Home / 31,456.42-47,184.63-28,336.30

Finding the Fourth Proportional to 31,456.42, 47,184.63 and 28,336.30

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Solution

The fourth proportional to 31,456.42, 47,184.63 and 28,336.30 is: 42,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.42 : 47,184.63 = 28,336.30 : x
  2. Step 2: Convert to fraction form
    31,456.42/47,184.63 = 28,336.30/x
  3. Step 3: Cross multiply
    31,456.42x = 47,184.63 × 28,336.30
  4. Step 4: Simplify right side
    31,456.42x = 1,337,037,831.07
  5. Step 5: Solve for x
    x = 1,337,037,831.07/31,456.42
  6. Step 6: Final answer
    x = 42,504.45

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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.