Home / 47,059.90-64,946.07-31,116.70

Finding the Fourth Proportional to 47,059.90, 64,946.07 and 31,116.70

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Solution

The fourth proportional to 47,059.90, 64,946.07 and 31,116.70 is: 42,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,059.90 : 64,946.07 = 31,116.70 : x
  2. Step 2: Convert to fraction form
    47,059.90/64,946.07 = 31,116.70/x
  3. Step 3: Cross multiply
    47,059.90x = 64,946.07 × 31,116.70
  4. Step 4: Simplify right side
    47,059.90x = 2,020,907,376.37
  5. Step 5: Solve for x
    x = 2,020,907,376.37/47,059.90
  6. Step 6: Final answer
    x = 42,943.30

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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.