Home / 20,041.07-30,068.75-8,946.77

Finding the Fourth Proportional to 20,041.07, 30,068.75 and 8,946.77

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Solution

The fourth proportional to 20,041.07, 30,068.75 and 8,946.77 is: 13,423.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.07 : 30,068.75 = 8,946.77 : x
  2. Step 2: Convert to fraction form
    20,041.07/30,068.75 = 8,946.77/x
  3. Step 3: Cross multiply
    20,041.07x = 30,068.75 × 8,946.77
  4. Step 4: Simplify right side
    20,041.07x = 269,018,062.46
  5. Step 5: Solve for x
    x = 269,018,062.46/20,041.07
  6. Step 6: Final answer
    x = 13,423.34

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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.