Home / 42,890.42-64,344.24-14,811.51

Finding the Fourth Proportional to 42,890.42, 64,344.24 and 14,811.51

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Solution

The fourth proportional to 42,890.42, 64,344.24 and 14,811.51 is: 22,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,890.42 : 64,344.24 = 14,811.51 : x
  2. Step 2: Convert to fraction form
    42,890.42/64,344.24 = 14,811.51/x
  3. Step 3: Cross multiply
    42,890.42x = 64,344.24 × 14,811.51
  4. Step 4: Simplify right side
    42,890.42x = 953,035,354.20
  5. Step 5: Solve for x
    x = 953,035,354.20/42,890.42
  6. Step 6: Final answer
    x = 22,220.24

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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.