Home / 42,969.48-64,431.28-14,882.32

Finding the Fourth Proportional to 42,969.48, 64,431.28 and 14,882.32

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Solution

The fourth proportional to 42,969.48, 64,431.28 and 14,882.32 is: 22,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,969.48 : 64,431.28 = 14,882.32 : x
  2. Step 2: Convert to fraction form
    42,969.48/64,431.28 = 14,882.32/x
  3. Step 3: Cross multiply
    42,969.48x = 64,431.28 × 14,882.32
  4. Step 4: Simplify right side
    42,969.48x = 958,886,926.97
  5. Step 5: Solve for x
    x = 958,886,926.97/42,969.48
  6. Step 6: Final answer
    x = 22,315.53

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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.