Home / 53,985.10-74,499.51-30,113.30

Finding the Fourth Proportional to 53,985.10, 74,499.51 and 30,113.30

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Solution

The fourth proportional to 53,985.10, 74,499.51 and 30,113.30 is: 41,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,985.10 : 74,499.51 = 30,113.30 : x
  2. Step 2: Convert to fraction form
    53,985.10/74,499.51 = 30,113.30/x
  3. Step 3: Cross multiply
    53,985.10x = 74,499.51 × 30,113.30
  4. Step 4: Simplify right side
    53,985.10x = 2,243,425,721.99
  5. Step 5: Solve for x
    x = 2,243,425,721.99/53,985.10
  6. Step 6: Final answer
    x = 41,556.39

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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.