Home / 53,816.51-74,369.19-40,364.42

Finding the Fourth Proportional to 53,816.51, 74,369.19 and 40,364.42

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Solution

The fourth proportional to 53,816.51, 74,369.19 and 40,364.42 is: 55,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,816.51 : 74,369.19 = 40,364.42 : x
  2. Step 2: Convert to fraction form
    53,816.51/74,369.19 = 40,364.42/x
  3. Step 3: Cross multiply
    53,816.51x = 74,369.19 × 40,364.42
  4. Step 4: Simplify right side
    53,816.51x = 3,001,868,999.74
  5. Step 5: Solve for x
    x = 3,001,868,999.74/53,816.51
  6. Step 6: Final answer
    x = 55,779.70

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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.