Home / 45,437.79-68,151.81-15,856.19

Finding the Fourth Proportional to 45,437.79, 68,151.81 and 15,856.19

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Solution

The fourth proportional to 45,437.79, 68,151.81 and 15,856.19 is: 23,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,437.79 : 68,151.81 = 15,856.19 : x
  2. Step 2: Convert to fraction form
    45,437.79/68,151.81 = 15,856.19/x
  3. Step 3: Cross multiply
    45,437.79x = 68,151.81 × 15,856.19
  4. Step 4: Simplify right side
    45,437.79x = 1,080,628,048.20
  5. Step 5: Solve for x
    x = 1,080,628,048.20/45,437.79
  6. Step 6: Final answer
    x = 23,782.58

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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.