Home / 42,014.40-63,009.45-15,357.30

Finding the Fourth Proportional to 42,014.40, 63,009.45 and 15,357.30

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Solution

The fourth proportional to 42,014.40, 63,009.45 and 15,357.30 is: 23,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.40 : 63,009.45 = 15,357.30 : x
  2. Step 2: Convert to fraction form
    42,014.40/63,009.45 = 15,357.30/x
  3. Step 3: Cross multiply
    42,014.40x = 63,009.45 × 15,357.30
  4. Step 4: Simplify right side
    42,014.40x = 967,655,026.49
  5. Step 5: Solve for x
    x = 967,655,026.49/42,014.40
  6. Step 6: Final answer
    x = 23,031.51

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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.