Home / 42,347.16-63,509.66-20,116.32

Finding the Fourth Proportional to 42,347.16, 63,509.66 and 20,116.32

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Solution

The fourth proportional to 42,347.16, 63,509.66 and 20,116.32 is: 30,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,347.16 : 63,509.66 = 20,116.32 : x
  2. Step 2: Convert to fraction form
    42,347.16/63,509.66 = 20,116.32/x
  3. Step 3: Cross multiply
    42,347.16x = 63,509.66 × 20,116.32
  4. Step 4: Simplify right side
    42,347.16x = 1,277,580,643.65
  5. Step 5: Solve for x
    x = 1,277,580,643.65/42,347.16
  6. Step 6: Final answer
    x = 30,169.22

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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.