Home / 30,437.50-45,586.98-21,034.92

Finding the Fourth Proportional to 30,437.50, 45,586.98 and 21,034.92

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Solution

The fourth proportional to 30,437.50, 45,586.98 and 21,034.92 is: 31,504.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,437.50 : 45,586.98 = 21,034.92 : x
  2. Step 2: Convert to fraction form
    30,437.50/45,586.98 = 21,034.92/x
  3. Step 3: Cross multiply
    30,437.50x = 45,586.98 × 21,034.92
  4. Step 4: Simplify right side
    30,437.50x = 958,918,477.34
  5. Step 5: Solve for x
    x = 958,918,477.34/30,437.50
  6. Step 6: Final answer
    x = 31,504.51

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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.