Home / 56,030.47-77,320.08-30,536.32

Finding the Fourth Proportional to 56,030.47, 77,320.08 and 30,536.32

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Solution

The fourth proportional to 56,030.47, 77,320.08 and 30,536.32 is: 42,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,030.47 : 77,320.08 = 30,536.32 : x
  2. Step 2: Convert to fraction form
    56,030.47/77,320.08 = 30,536.32/x
  3. Step 3: Cross multiply
    56,030.47x = 77,320.08 × 30,536.32
  4. Step 4: Simplify right side
    56,030.47x = 2,361,070,705.31
  5. Step 5: Solve for x
    x = 2,361,070,705.31/56,030.47
  6. Step 6: Final answer
    x = 42,139.05

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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.