Home / 35,470.08-53,225.85-19,688.40

Finding the Fourth Proportional to 35,470.08, 53,225.85 and 19,688.40

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Solution

The fourth proportional to 35,470.08, 53,225.85 and 19,688.40 is: 29,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.08 : 53,225.85 = 19,688.40 : x
  2. Step 2: Convert to fraction form
    35,470.08/53,225.85 = 19,688.40/x
  3. Step 3: Cross multiply
    35,470.08x = 53,225.85 × 19,688.40
  4. Step 4: Simplify right side
    35,470.08x = 1,047,931,825.14
  5. Step 5: Solve for x
    x = 1,047,931,825.14/35,470.08
  6. Step 6: Final answer
    x = 29,544.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.