Home / 42,903.80-64,364.28-14,824.88

Finding the Fourth Proportional to 42,903.80, 64,364.28 and 14,824.88

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Solution

The fourth proportional to 42,903.80, 64,364.28 and 14,824.88 is: 22,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,903.80 : 64,364.28 = 14,824.88 : x
  2. Step 2: Convert to fraction form
    42,903.80/64,364.28 = 14,824.88/x
  3. Step 3: Cross multiply
    42,903.80x = 64,364.28 × 14,824.88
  4. Step 4: Simplify right side
    42,903.80x = 954,192,727.29
  5. Step 5: Solve for x
    x = 954,192,727.29/42,903.80
  6. Step 6: Final answer
    x = 22,240.28

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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.