Home / 35,346.58-48,778.91-19,430.99

Finding the Fourth Proportional to 35,346.58, 48,778.91 and 19,430.99

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Solution

The fourth proportional to 35,346.58, 48,778.91 and 19,430.99 is: 26,815.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.58 : 48,778.91 = 19,430.99 : x
  2. Step 2: Convert to fraction form
    35,346.58/48,778.91 = 19,430.99/x
  3. Step 3: Cross multiply
    35,346.58x = 48,778.91 × 19,430.99
  4. Step 4: Simplify right side
    35,346.58x = 947,822,427.16
  5. Step 5: Solve for x
    x = 947,822,427.16/35,346.58
  6. Step 6: Final answer
    x = 26,815.11

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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.