Home / 53,311.08-73,573.63-30,657.40

Finding the Fourth Proportional to 53,311.08, 73,573.63 and 30,657.40

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Solution

The fourth proportional to 53,311.08, 73,573.63 and 30,657.40 is: 42,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.08 : 73,573.63 = 30,657.40 : x
  2. Step 2: Convert to fraction form
    53,311.08/73,573.63 = 30,657.40/x
  3. Step 3: Cross multiply
    53,311.08x = 73,573.63 × 30,657.40
  4. Step 4: Simplify right side
    53,311.08x = 2,255,576,204.36
  5. Step 5: Solve for x
    x = 2,255,576,204.36/53,311.08
  6. Step 6: Final answer
    x = 42,309.71

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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.