Home / 43,037.19-64,555.79-15,315.75

Finding the Fourth Proportional to 43,037.19, 64,555.79 and 15,315.75

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Solution

The fourth proportional to 43,037.19, 64,555.79 and 15,315.75 is: 22,973.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,037.19 : 64,555.79 = 15,315.75 : x
  2. Step 2: Convert to fraction form
    43,037.19/64,555.79 = 15,315.75/x
  3. Step 3: Cross multiply
    43,037.19x = 64,555.79 × 15,315.75
  4. Step 4: Simplify right side
    43,037.19x = 988,720,264.11
  5. Step 5: Solve for x
    x = 988,720,264.11/43,037.19
  6. Step 6: Final answer
    x = 22,973.63

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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.