Home / 42,157.80-58,184.10-25,400.04

Finding the Fourth Proportional to 42,157.80, 58,184.10 and 25,400.04

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Solution

The fourth proportional to 42,157.80, 58,184.10 and 25,400.04 is: 35,055.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.80 : 58,184.10 = 25,400.04 : x
  2. Step 2: Convert to fraction form
    42,157.80/58,184.10 = 25,400.04/x
  3. Step 3: Cross multiply
    42,157.80x = 58,184.10 × 25,400.04
  4. Step 4: Simplify right side
    42,157.80x = 1,477,878,467.36
  5. Step 5: Solve for x
    x = 1,477,878,467.36/42,157.80
  6. Step 6: Final answer
    x = 35,055.87

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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.