Home / 35,555.60-53,281.56-19,977.68

Finding the Fourth Proportional to 35,555.60, 53,281.56 and 19,977.68

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Solution

The fourth proportional to 35,555.60, 53,281.56 and 19,977.68 is: 29,937.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.60 : 53,281.56 = 19,977.68 : x
  2. Step 2: Convert to fraction form
    35,555.60/53,281.56 = 19,977.68/x
  3. Step 3: Cross multiply
    35,555.60x = 53,281.56 × 19,977.68
  4. Step 4: Simplify right side
    35,555.60x = 1,064,441,955.58
  5. Step 5: Solve for x
    x = 1,064,441,955.58/35,555.60
  6. Step 6: Final answer
    x = 29,937.39

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1.5x scale

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.