Home / 40,970.99-56,536.04-30,221.70

Finding the Fourth Proportional to 40,970.99, 56,536.04 and 30,221.70

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Solution

The fourth proportional to 40,970.99, 56,536.04 and 30,221.70 is: 41,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,970.99 : 56,536.04 = 30,221.70 : x
  2. Step 2: Convert to fraction form
    40,970.99/56,536.04 = 30,221.70/x
  3. Step 3: Cross multiply
    40,970.99x = 56,536.04 × 30,221.70
  4. Step 4: Simplify right side
    40,970.99x = 1,708,615,088.96
  5. Step 5: Solve for x
    x = 1,708,615,088.96/40,970.99
  6. Step 6: Final answer
    x = 41,703.05

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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.