Home / 37,395.16-56,078.74-12,430.60

Finding the Fourth Proportional to 37,395.16, 56,078.74 and 12,430.60

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Solution

The fourth proportional to 37,395.16, 56,078.74 and 12,430.60 is: 18,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,395.16 : 56,078.74 = 12,430.60 : x
  2. Step 2: Convert to fraction form
    37,395.16/56,078.74 = 12,430.60/x
  3. Step 3: Cross multiply
    37,395.16x = 56,078.74 × 12,430.60
  4. Step 4: Simplify right side
    37,395.16x = 697,092,385.44
  5. Step 5: Solve for x
    x = 697,092,385.44/37,395.16
  6. Step 6: Final answer
    x = 18,641.25

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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.