Home / 42,075.29-63,113.49-13,995.35

Finding the Fourth Proportional to 42,075.29, 63,113.49 and 13,995.35

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Solution

The fourth proportional to 42,075.29, 63,113.49 and 13,995.35 is: 20,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,075.29 : 63,113.49 = 13,995.35 : x
  2. Step 2: Convert to fraction form
    42,075.29/63,113.49 = 13,995.35/x
  3. Step 3: Cross multiply
    42,075.29x = 63,113.49 × 13,995.35
  4. Step 4: Simplify right side
    42,075.29x = 883,295,382.27
  5. Step 5: Solve for x
    x = 883,295,382.27/42,075.29
  6. Step 6: Final answer
    x = 20,993.21

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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.