Home / 35,346.16-48,777.78-19,430.65

Finding the Fourth Proportional to 35,346.16, 48,777.78 and 19,430.65

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Solution

The fourth proportional to 35,346.16, 48,777.78 and 19,430.65 is: 26,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.16 : 48,777.78 = 19,430.65 : x
  2. Step 2: Convert to fraction form
    35,346.16/48,777.78 = 19,430.65/x
  3. Step 3: Cross multiply
    35,346.16x = 48,777.78 × 19,430.65
  4. Step 4: Simplify right side
    35,346.16x = 947,783,970.96
  5. Step 5: Solve for x
    x = 947,783,970.96/35,346.16
  6. Step 6: Final answer
    x = 26,814.34

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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.