Home / 42,525.76-63,795.12-21,742.24

Finding the Fourth Proportional to 42,525.76, 63,795.12 and 21,742.24

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Solution

The fourth proportional to 42,525.76, 63,795.12 and 21,742.24 is: 32,616.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,525.76 : 63,795.12 = 21,742.24 : x
  2. Step 2: Convert to fraction form
    42,525.76/63,795.12 = 21,742.24/x
  3. Step 3: Cross multiply
    42,525.76x = 63,795.12 × 21,742.24
  4. Step 4: Simplify right side
    42,525.76x = 1,387,048,809.87
  5. Step 5: Solve for x
    x = 1,387,048,809.87/42,525.76
  6. Step 6: Final answer
    x = 32,616.67

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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.