Home / 53,631.90-74,001.75-30,669.01

Finding the Fourth Proportional to 53,631.90, 74,001.75 and 30,669.01

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Solution

The fourth proportional to 53,631.90, 74,001.75 and 30,669.01 is: 42,317.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,631.90 : 74,001.75 = 30,669.01 : x
  2. Step 2: Convert to fraction form
    53,631.90/74,001.75 = 30,669.01/x
  3. Step 3: Cross multiply
    53,631.90x = 74,001.75 × 30,669.01
  4. Step 4: Simplify right side
    53,631.90x = 2,269,560,410.77
  5. Step 5: Solve for x
    x = 2,269,560,410.77/53,631.90
  6. Step 6: Final answer
    x = 42,317.36

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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.