Home / 53,360.07-73,641.74-30,999.75

Finding the Fourth Proportional to 53,360.07, 73,641.74 and 30,999.75

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Solution

The fourth proportional to 53,360.07, 73,641.74 and 30,999.75 is: 42,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,360.07 : 73,641.74 = 30,999.75 : x
  2. Step 2: Convert to fraction form
    53,360.07/73,641.74 = 30,999.75/x
  3. Step 3: Cross multiply
    53,360.07x = 73,641.74 × 30,999.75
  4. Step 4: Simplify right side
    53,360.07x = 2,282,875,374.57
  5. Step 5: Solve for x
    x = 2,282,875,374.57/53,360.07
  6. Step 6: Final answer
    x = 42,782.47

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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.