Home / 35,345.76-48,777.18-19,430.48

Finding the Fourth Proportional to 35,345.76, 48,777.18 and 19,430.48

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Solution

The fourth proportional to 35,345.76, 48,777.18 and 19,430.48 is: 26,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.76 : 48,777.18 = 19,430.48 : x
  2. Step 2: Convert to fraction form
    35,345.76/48,777.18 = 19,430.48/x
  3. Step 3: Cross multiply
    35,345.76x = 48,777.18 × 19,430.48
  4. Step 4: Simplify right side
    35,345.76x = 947,764,020.45
  5. Step 5: Solve for x
    x = 947,764,020.45/35,345.76
  6. Step 6: Final answer
    x = 26,814.08

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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.