Home / 42,009.84-63,008.28-18,632.16

Finding the Fourth Proportional to 42,009.84, 63,008.28 and 18,632.16

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Solution

The fourth proportional to 42,009.84, 63,008.28 and 18,632.16 is: 27,945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009.84 : 63,008.28 = 18,632.16 : x
  2. Step 2: Convert to fraction form
    42,009.84/63,008.28 = 18,632.16/x
  3. Step 3: Cross multiply
    42,009.84x = 63,008.28 × 18,632.16
  4. Step 4: Simplify right side
    42,009.84x = 1,173,980,354.28
  5. Step 5: Solve for x
    x = 1,173,980,354.28/42,009.84
  6. Step 6: Final answer
    x = 27,945.37

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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.