Home / 42,471.07-63,698.10-40,363.45

Finding the Fourth Proportional to 42,471.07, 63,698.10 and 40,363.45

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Solution

The fourth proportional to 42,471.07, 63,698.10 and 40,363.45 is: 60,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,471.07 : 63,698.10 = 40,363.45 : x
  2. Step 2: Convert to fraction form
    42,471.07/63,698.10 = 40,363.45/x
  3. Step 3: Cross multiply
    42,471.07x = 63,698.10 × 40,363.45
  4. Step 4: Simplify right side
    42,471.07x = 2,571,075,074.45
  5. Step 5: Solve for x
    x = 2,571,075,074.45/42,471.07
  6. Step 6: Final answer
    x = 60,537.09

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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.