Home / 42,247.33-63,362.91-12,665.16

Finding the Fourth Proportional to 42,247.33, 63,362.91 and 12,665.16

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Solution

The fourth proportional to 42,247.33, 63,362.91 and 12,665.16 is: 18,995.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,247.33 : 63,362.91 = 12,665.16 : x
  2. Step 2: Convert to fraction form
    42,247.33/63,362.91 = 12,665.16/x
  3. Step 3: Cross multiply
    42,247.33x = 63,362.91 × 12,665.16
  4. Step 4: Simplify right side
    42,247.33x = 802,501,393.22
  5. Step 5: Solve for x
    x = 802,501,393.22/42,247.33
  6. Step 6: Final answer
    x = 18,995.32

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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.