Home / 56,776.96-78,358.40-34,420.48

Finding the Fourth Proportional to 56,776.96, 78,358.40 and 34,420.48

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Solution

The fourth proportional to 56,776.96, 78,358.40 and 34,420.48 is: 47,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,776.96 : 78,358.40 = 34,420.48 : x
  2. Step 2: Convert to fraction form
    56,776.96/78,358.40 = 34,420.48/x
  3. Step 3: Cross multiply
    56,776.96x = 78,358.40 × 34,420.48
  4. Step 4: Simplify right side
    56,776.96x = 2,697,133,740.03
  5. Step 5: Solve for x
    x = 2,697,133,740.03/56,776.96
  6. Step 6: Final answer
    x = 47,504.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.