Home / 42,527.09-63,790.67-19,126.19

Finding the Fourth Proportional to 42,527.09, 63,790.67 and 19,126.19

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Solution

The fourth proportional to 42,527.09, 63,790.67 and 19,126.19 is: 28,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,527.09 : 63,790.67 = 19,126.19 : x
  2. Step 2: Convert to fraction form
    42,527.09/63,790.67 = 19,126.19/x
  3. Step 3: Cross multiply
    42,527.09x = 63,790.67 × 19,126.19
  4. Step 4: Simplify right side
    42,527.09x = 1,220,072,681.94
  5. Step 5: Solve for x
    x = 1,220,072,681.94/42,527.09
  6. Step 6: Final answer
    x = 28,689.30

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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.