Home / 39,071.56-53,884.02-30,673.48

Finding the Fourth Proportional to 39,071.56, 53,884.02 and 30,673.48

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Solution

The fourth proportional to 39,071.56, 53,884.02 and 30,673.48 is: 42,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071.56 : 53,884.02 = 30,673.48 : x
  2. Step 2: Convert to fraction form
    39,071.56/53,884.02 = 30,673.48/x
  3. Step 3: Cross multiply
    39,071.56x = 53,884.02 × 30,673.48
  4. Step 4: Simplify right side
    39,071.56x = 1,652,810,409.79
  5. Step 5: Solve for x
    x = 1,652,810,409.79/39,071.56
  6. Step 6: Final answer
    x = 42,302.14

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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.