Home / 53,888.18-74,362.74-29,688.35

Finding the Fourth Proportional to 53,888.18, 74,362.74 and 29,688.35

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Solution

The fourth proportional to 53,888.18, 74,362.74 and 29,688.35 is: 40,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,888.18 : 74,362.74 = 29,688.35 : x
  2. Step 2: Convert to fraction form
    53,888.18/74,362.74 = 29,688.35/x
  3. Step 3: Cross multiply
    53,888.18x = 74,362.74 × 29,688.35
  4. Step 4: Simplify right side
    53,888.18x = 2,207,706,680.27
  5. Step 5: Solve for x
    x = 2,207,706,680.27/53,888.18
  6. Step 6: Final answer
    x = 40,968.30

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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.