Home / 39,282.48-58,901.76-12,980.16

Finding the Fourth Proportional to 39,282.48, 58,901.76 and 12,980.16

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Solution

The fourth proportional to 39,282.48, 58,901.76 and 12,980.16 is: 19,462.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,282.48 : 58,901.76 = 12,980.16 : x
  2. Step 2: Convert to fraction form
    39,282.48/58,901.76 = 12,980.16/x
  3. Step 3: Cross multiply
    39,282.48x = 58,901.76 × 12,980.16
  4. Step 4: Simplify right side
    39,282.48x = 764,554,269.08
  5. Step 5: Solve for x
    x = 764,554,269.08/39,282.48
  6. Step 6: Final answer
    x = 19,462.98

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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.