Home / 40,774.34-56,259.60-39,430.37

Finding the Fourth Proportional to 40,774.34, 56,259.60 and 39,430.37

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Solution

The fourth proportional to 40,774.34, 56,259.60 and 39,430.37 is: 54,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,774.34 : 56,259.60 = 39,430.37 : x
  2. Step 2: Convert to fraction form
    40,774.34/56,259.60 = 39,430.37/x
  3. Step 3: Cross multiply
    40,774.34x = 56,259.60 × 39,430.37
  4. Step 4: Simplify right side
    40,774.34x = 2,218,336,844.05
  5. Step 5: Solve for x
    x = 2,218,336,844.05/40,774.34
  6. Step 6: Final answer
    x = 54,405.22

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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.