Home / 39,008.55-58,518.50-12,706.77

Finding the Fourth Proportional to 39,008.55, 58,518.50 and 12,706.77

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Solution

The fourth proportional to 39,008.55, 58,518.50 and 12,706.77 is: 19,062.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,008.55 : 58,518.50 = 12,706.77 : x
  2. Step 2: Convert to fraction form
    39,008.55/58,518.50 = 12,706.77/x
  3. Step 3: Cross multiply
    39,008.55x = 58,518.50 × 12,706.77
  4. Step 4: Simplify right side
    39,008.55x = 743,581,056.71
  5. Step 5: Solve for x
    x = 743,581,056.71/39,008.55
  6. Step 6: Final answer
    x = 19,062.00

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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.