Home / 35,537.18-49,036.06-20,430.48

Finding the Fourth Proportional to 35,537.18, 49,036.06 and 20,430.48

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Solution

The fourth proportional to 35,537.18, 49,036.06 and 20,430.48 is: 28,191.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,537.18 : 49,036.06 = 20,430.48 : x
  2. Step 2: Convert to fraction form
    35,537.18/49,036.06 = 20,430.48/x
  3. Step 3: Cross multiply
    35,537.18x = 49,036.06 × 20,430.48
  4. Step 4: Simplify right side
    35,537.18x = 1,001,830,243.11
  5. Step 5: Solve for x
    x = 1,001,830,243.11/35,537.18
  6. Step 6: Final answer
    x = 28,191.05

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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.