Home / 35,345.77-48,778.00-19,430.55

Finding the Fourth Proportional to 35,345.77, 48,778.00 and 19,430.55

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Solution

The fourth proportional to 35,345.77, 48,778.00 and 19,430.55 is: 26,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.77 : 48,778.00 = 19,430.55 : x
  2. Step 2: Convert to fraction form
    35,345.77/48,778.00 = 19,430.55/x
  3. Step 3: Cross multiply
    35,345.77x = 48,778.00 × 19,430.55
  4. Step 4: Simplify right side
    35,345.77x = 947,783,319.32
  5. Step 5: Solve for x
    x = 947,783,319.32/35,345.77
  6. Step 6: Final answer
    x = 26,814.62

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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.