Home / 31,016.76-42,783.93-27,047.40

Finding the Fourth Proportional to 31,016.76, 42,783.93 and 27,047.40

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Solution

The fourth proportional to 31,016.76, 42,783.93 and 27,047.40 is: 37,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,016.76 : 42,783.93 = 27,047.40 : x
  2. Step 2: Convert to fraction form
    31,016.76/42,783.93 = 27,047.40/x
  3. Step 3: Cross multiply
    31,016.76x = 42,783.93 × 27,047.40
  4. Step 4: Simplify right side
    31,016.76x = 1,157,194,068.28
  5. Step 5: Solve for x
    x = 1,157,194,068.28/31,016.76
  6. Step 6: Final answer
    x = 37,308.67

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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.