Home / 43,016.36-64,526.40-13,434.76

Finding the Fourth Proportional to 43,016.36, 64,526.40 and 13,434.76

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Solution

The fourth proportional to 43,016.36, 64,526.40 and 13,434.76 is: 20,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,016.36 : 64,526.40 = 13,434.76 : x
  2. Step 2: Convert to fraction form
    43,016.36/64,526.40 = 13,434.76/x
  3. Step 3: Cross multiply
    43,016.36x = 64,526.40 × 13,434.76
  4. Step 4: Simplify right side
    43,016.36x = 866,896,697.66
  5. Step 5: Solve for x
    x = 866,896,697.66/43,016.36
  6. Step 6: Final answer
    x = 20,152.72

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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.