Home / 37,390.48-51,598.90-21,478.01

Finding the Fourth Proportional to 37,390.48, 51,598.90 and 21,478.01

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Solution

The fourth proportional to 37,390.48, 51,598.90 and 21,478.01 is: 29,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,390.48 : 51,598.90 = 21,478.01 : x
  2. Step 2: Convert to fraction form
    37,390.48/51,598.90 = 21,478.01/x
  3. Step 3: Cross multiply
    37,390.48x = 51,598.90 × 21,478.01
  4. Step 4: Simplify right side
    37,390.48x = 1,108,241,378.50
  5. Step 5: Solve for x
    x = 1,108,241,378.50/37,390.48
  6. Step 6: Final answer
    x = 29,639.67

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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.