Home / 34,420.56-47,500.80-19,316.46

Finding the Fourth Proportional to 34,420.56, 47,500.80 and 19,316.46

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Solution

The fourth proportional to 34,420.56, 47,500.80 and 19,316.46 is: 26,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,420.56 : 47,500.80 = 19,316.46 : x
  2. Step 2: Convert to fraction form
    34,420.56/47,500.80 = 19,316.46/x
  3. Step 3: Cross multiply
    34,420.56x = 47,500.80 × 19,316.46
  4. Step 4: Simplify right side
    34,420.56x = 917,547,303.17
  5. Step 5: Solve for x
    x = 917,547,303.17/34,420.56
  6. Step 6: Final answer
    x = 26,656.95

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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.