Home / 42,555.06-63,832.59-11,389.50

Finding the Fourth Proportional to 42,555.06, 63,832.59 and 11,389.50

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Solution

The fourth proportional to 42,555.06, 63,832.59 and 11,389.50 is: 17,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,555.06 : 63,832.59 = 11,389.50 : x
  2. Step 2: Convert to fraction form
    42,555.06/63,832.59 = 11,389.50/x
  3. Step 3: Cross multiply
    42,555.06x = 63,832.59 × 11,389.50
  4. Step 4: Simplify right side
    42,555.06x = 727,021,283.81
  5. Step 5: Solve for x
    x = 727,021,283.81/42,555.06
  6. Step 6: Final answer
    x = 17,084.25

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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.