Home / 42,681.35-64,022.03-14,601.67

Finding the Fourth Proportional to 42,681.35, 64,022.03 and 14,601.67

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Solution

The fourth proportional to 42,681.35, 64,022.03 and 14,601.67 is: 21,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,681.35 : 64,022.03 = 14,601.67 : x
  2. Step 2: Convert to fraction form
    42,681.35/64,022.03 = 14,601.67/x
  3. Step 3: Cross multiply
    42,681.35x = 64,022.03 × 14,601.67
  4. Step 4: Simplify right side
    42,681.35x = 934,828,554.79
  5. Step 5: Solve for x
    x = 934,828,554.79/42,681.35
  6. Step 6: Final answer
    x = 21,902.51

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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.