Home / 42,622.40-63,933.60-14,923.20

Finding the Fourth Proportional to 42,622.40, 63,933.60 and 14,923.20

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Solution

The fourth proportional to 42,622.40, 63,933.60 and 14,923.20 is: 22,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,622.40 : 63,933.60 = 14,923.20 : x
  2. Step 2: Convert to fraction form
    42,622.40/63,933.60 = 14,923.20/x
  3. Step 3: Cross multiply
    42,622.40x = 63,933.60 × 14,923.20
  4. Step 4: Simplify right side
    42,622.40x = 954,093,899.52
  5. Step 5: Solve for x
    x = 954,093,899.52/42,622.40
  6. Step 6: Final answer
    x = 22,384.80

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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.