Home / 35,430.64-53,154.68-10,470.56

Finding the Fourth Proportional to 35,430.64, 53,154.68 and 10,470.56

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Solution

The fourth proportional to 35,430.64, 53,154.68 and 10,470.56 is: 15,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.64 : 53,154.68 = 10,470.56 : x
  2. Step 2: Convert to fraction form
    35,430.64/53,154.68 = 10,470.56/x
  3. Step 3: Cross multiply
    35,430.64x = 53,154.68 × 10,470.56
  4. Step 4: Simplify right side
    35,430.64x = 556,559,266.22
  5. Step 5: Solve for x
    x = 556,559,266.22/35,430.64
  6. Step 6: Final answer
    x = 15,708.42

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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.