Home / 42,919.56-64,382.16-14,842.32

Finding the Fourth Proportional to 42,919.56, 64,382.16 and 14,842.32

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Solution

The fourth proportional to 42,919.56, 64,382.16 and 14,842.32 is: 22,264.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,919.56 : 64,382.16 = 14,842.32 : x
  2. Step 2: Convert to fraction form
    42,919.56/64,382.16 = 14,842.32/x
  3. Step 3: Cross multiply
    42,919.56x = 64,382.16 × 14,842.32
  4. Step 4: Simplify right side
    42,919.56x = 955,580,621.01
  5. Step 5: Solve for x
    x = 955,580,621.01/42,919.56
  6. Step 6: Final answer
    x = 22,264.46

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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.