Home / 45,263.36-67,870.20-15,678.56

Finding the Fourth Proportional to 45,263.36, 67,870.20 and 15,678.56

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Solution

The fourth proportional to 45,263.36, 67,870.20 and 15,678.56 is: 23,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,263.36 : 67,870.20 = 15,678.56 : x
  2. Step 2: Convert to fraction form
    45,263.36/67,870.20 = 15,678.56/x
  3. Step 3: Cross multiply
    45,263.36x = 67,870.20 × 15,678.56
  4. Step 4: Simplify right side
    45,263.36x = 1,064,107,002.91
  5. Step 5: Solve for x
    x = 1,064,107,002.91/45,263.36
  6. Step 6: Final answer
    x = 23,509.24

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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.