Home / 40,746.40-56,232.36-30,656.77

Finding the Fourth Proportional to 40,746.40, 56,232.36 and 30,656.77

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Solution

The fourth proportional to 40,746.40, 56,232.36 and 30,656.77 is: 42,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,746.40 : 56,232.36 = 30,656.77 : x
  2. Step 2: Convert to fraction form
    40,746.40/56,232.36 = 30,656.77/x
  3. Step 3: Cross multiply
    40,746.40x = 56,232.36 × 30,656.77
  4. Step 4: Simplify right side
    40,746.40x = 1,723,902,527.08
  5. Step 5: Solve for x
    x = 1,723,902,527.08/40,746.40
  6. Step 6: Final answer
    x = 42,308.09

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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.