Home / 45,013.32-62,075.70-42,520.68

Finding the Fourth Proportional to 45,013.32, 62,075.70 and 42,520.68

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Solution

The fourth proportional to 45,013.32, 62,075.70 and 42,520.68 is: 58,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,013.32 : 62,075.70 = 42,520.68 : x
  2. Step 2: Convert to fraction form
    45,013.32/62,075.70 = 42,520.68/x
  3. Step 3: Cross multiply
    45,013.32x = 62,075.70 × 42,520.68
  4. Step 4: Simplify right side
    45,013.32x = 2,639,500,975.48
  5. Step 5: Solve for x
    x = 2,639,500,975.48/45,013.32
  6. Step 6: Final answer
    x = 58,638.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.