Home / 35,072.86-52,616.48-12,886.45

Finding the Fourth Proportional to 35,072.86, 52,616.48 and 12,886.45

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Solution

The fourth proportional to 35,072.86, 52,616.48 and 12,886.45 is: 19,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,072.86 : 52,616.48 = 12,886.45 : x
  2. Step 2: Convert to fraction form
    35,072.86/52,616.48 = 12,886.45/x
  3. Step 3: Cross multiply
    35,072.86x = 52,616.48 × 12,886.45
  4. Step 4: Simplify right side
    35,072.86x = 678,039,638.70
  5. Step 5: Solve for x
    x = 678,039,638.70/35,072.86
  6. Step 6: Final answer
    x = 19,332.32

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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.