Home / 39,247.77-58,874.37-12,970.98

Finding the Fourth Proportional to 39,247.77, 58,874.37 and 12,970.98

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Solution

The fourth proportional to 39,247.77, 58,874.37 and 12,970.98 is: 19,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,247.77 : 58,874.37 = 12,970.98 : x
  2. Step 2: Convert to fraction form
    39,247.77/58,874.37 = 12,970.98/x
  3. Step 3: Cross multiply
    39,247.77x = 58,874.37 × 12,970.98
  4. Step 4: Simplify right side
    39,247.77x = 763,658,275.78
  5. Step 5: Solve for x
    x = 763,658,275.78/39,247.77
  6. Step 6: Final answer
    x = 19,457.37

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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.