Home / 53,010.51-73,219.40-39,641.23

Finding the Fourth Proportional to 53,010.51, 73,219.40 and 39,641.23

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Solution

The fourth proportional to 53,010.51, 73,219.40 and 39,641.23 is: 54,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,010.51 : 73,219.40 = 39,641.23 : x
  2. Step 2: Convert to fraction form
    53,010.51/73,219.40 = 39,641.23/x
  3. Step 3: Cross multiply
    53,010.51x = 73,219.40 × 39,641.23
  4. Step 4: Simplify right side
    53,010.51x = 2,902,507,075.86
  5. Step 5: Solve for x
    x = 2,902,507,075.86/53,010.51
  6. Step 6: Final answer
    x = 54,753.43

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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.