Home / 30,784.51-42,482.64-16,637.37

Finding the Fourth Proportional to 30,784.51, 42,482.64 and 16,637.37

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Solution

The fourth proportional to 30,784.51, 42,482.64 and 16,637.37 is: 22,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,784.51 : 42,482.64 = 16,637.37 : x
  2. Step 2: Convert to fraction form
    30,784.51/42,482.64 = 16,637.37/x
  3. Step 3: Cross multiply
    30,784.51x = 42,482.64 × 16,637.37
  4. Step 4: Simplify right side
    30,784.51x = 706,799,400.26
  5. Step 5: Solve for x
    x = 706,799,400.26/30,784.51
  6. Step 6: Final answer
    x = 22,959.58

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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.