Home / 42,666.64-64,007.40-14,589.51

Finding the Fourth Proportional to 42,666.64, 64,007.40 and 14,589.51

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Solution

The fourth proportional to 42,666.64, 64,007.40 and 14,589.51 is: 21,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,666.64 : 64,007.40 = 14,589.51 : x
  2. Step 2: Convert to fraction form
    42,666.64/64,007.40 = 14,589.51/x
  3. Step 3: Cross multiply
    42,666.64x = 64,007.40 × 14,589.51
  4. Step 4: Simplify right side
    42,666.64x = 933,836,602.37
  5. Step 5: Solve for x
    x = 933,836,602.37/42,666.64
  6. Step 6: Final answer
    x = 21,886.81

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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.