Home / 53,364.81-73,641.34-30,707.26

Finding the Fourth Proportional to 53,364.81, 73,641.34 and 30,707.26

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Solution

The fourth proportional to 53,364.81, 73,641.34 and 30,707.26 is: 42,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,364.81 : 73,641.34 = 30,707.26 : x
  2. Step 2: Convert to fraction form
    53,364.81/73,641.34 = 30,707.26/x
  3. Step 3: Cross multiply
    53,364.81x = 73,641.34 × 30,707.26
  4. Step 4: Simplify right side
    53,364.81x = 2,261,323,774.13
  5. Step 5: Solve for x
    x = 2,261,323,774.13/53,364.81
  6. Step 6: Final answer
    x = 42,374.81

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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.