Home / 42,680.35-64,020.53-14,600.67

Finding the Fourth Proportional to 42,680.35, 64,020.53 and 14,600.67

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Solution

The fourth proportional to 42,680.35, 64,020.53 and 14,600.67 is: 21,901.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,680.35 : 64,020.53 = 14,600.67 : x
  2. Step 2: Convert to fraction form
    42,680.35/64,020.53 = 14,600.67/x
  3. Step 3: Cross multiply
    42,680.35x = 64,020.53 × 14,600.67
  4. Step 4: Simplify right side
    42,680.35x = 934,742,668.26
  5. Step 5: Solve for x
    x = 934,742,668.26/42,680.35
  6. Step 6: Final answer
    x = 21,901.01

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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.