Home / 37,478.16-51,720.93-20,483.35

Finding the Fourth Proportional to 37,478.16, 51,720.93 and 20,483.35

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Solution

The fourth proportional to 37,478.16, 51,720.93 and 20,483.35 is: 28,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,478.16 : 51,720.93 = 20,483.35 : x
  2. Step 2: Convert to fraction form
    37,478.16/51,720.93 = 20,483.35/x
  3. Step 3: Cross multiply
    37,478.16x = 51,720.93 × 20,483.35
  4. Step 4: Simplify right side
    37,478.16x = 1,059,417,782.21
  5. Step 5: Solve for x
    x = 1,059,417,782.21/37,478.16
  6. Step 6: Final answer
    x = 28,267.60

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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.