Home / 43,016.72-64,421.25-25,870.30

Finding the Fourth Proportional to 43,016.72, 64,421.25 and 25,870.30

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Solution

The fourth proportional to 43,016.72, 64,421.25 and 25,870.30 is: 38,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,016.72 : 64,421.25 = 25,870.30 : x
  2. Step 2: Convert to fraction form
    43,016.72/64,421.25 = 25,870.30/x
  3. Step 3: Cross multiply
    43,016.72x = 64,421.25 × 25,870.30
  4. Step 4: Simplify right side
    43,016.72x = 1,666,596,805.81
  5. Step 5: Solve for x
    x = 1,666,596,805.81/43,016.72
  6. Step 6: Final answer
    x = 38,743.01

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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.