Home / 42,923.42-64,394.36-14,463.20

Finding the Fourth Proportional to 42,923.42, 64,394.36 and 14,463.20

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Solution

The fourth proportional to 42,923.42, 64,394.36 and 14,463.20 is: 21,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,923.42 : 64,394.36 = 14,463.20 : x
  2. Step 2: Convert to fraction form
    42,923.42/64,394.36 = 14,463.20/x
  3. Step 3: Cross multiply
    42,923.42x = 64,394.36 × 14,463.20
  4. Step 4: Simplify right side
    42,923.42x = 931,348,435.24
  5. Step 5: Solve for x
    x = 931,348,435.24/42,923.42
  6. Step 6: Final answer
    x = 21,697.91

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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.