Home / 42,925.36-64,406.40-17,971.24

Finding the Fourth Proportional to 42,925.36, 64,406.40 and 17,971.24

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Solution

The fourth proportional to 42,925.36, 64,406.40 and 17,971.24 is: 26,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,925.36 : 64,406.40 = 17,971.24 : x
  2. Step 2: Convert to fraction form
    42,925.36/64,406.40 = 17,971.24/x
  3. Step 3: Cross multiply
    42,925.36x = 64,406.40 × 17,971.24
  4. Step 4: Simplify right side
    42,925.36x = 1,157,462,871.94
  5. Step 5: Solve for x
    x = 1,157,462,871.94/42,925.36
  6. Step 6: Final answer
    x = 26,964.55

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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.