Home / 37,640.79-56,461.26-12,698.34

Finding the Fourth Proportional to 37,640.79, 56,461.26 and 12,698.34

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Solution

The fourth proportional to 37,640.79, 56,461.26 and 12,698.34 is: 19,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,640.79 : 56,461.26 = 12,698.34 : x
  2. Step 2: Convert to fraction form
    37,640.79/56,461.26 = 12,698.34/x
  3. Step 3: Cross multiply
    37,640.79x = 56,461.26 × 12,698.34
  4. Step 4: Simplify right side
    37,640.79x = 716,964,276.31
  5. Step 5: Solve for x
    x = 716,964,276.31/37,640.79
  6. Step 6: Final answer
    x = 19,047.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.